Notes:
subsist [v]~on sth to manage to stay alive,especially with limited food or money.
4.24 Time is like a river made up of the events which happen,and a violent stream; for as soon as a thing has been seen,it is carried away,and another comes in its place,and this will be carried away too.
4.25 In the series of things those which follow are always aptly fitted to those which have gone before; for this series is not like a mere enumeration of disjointed things,which has only a necessary sequence,but it is a rational connection:and as all existing things are arranged together harmoniously,so the things which come into existence exhibit no mere succession,but a certain wonderful relationship.